Weighting by Inverse Variance or by Sample Size in Random-Effects Meta-Analysis.
Most of the statistical procedures in meta-analysis are based on the estimation of average effect sizes from a set of primary studies. The optimal weight for averaging a set of independent effect sizes is the inverse variance of each effect size, but in practice these weights have to be estimated, b...
| Published in: | Educational & Psychological Measurement Vol. 70; no. 1; pp. 56 - 74 |
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| Main Authors: | , |
| Format: | Article |
| Published: |
Sage Publications Inc.
February 2010
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| Subjects: | |
| Online Access: | View this record in EBSCOhost |